440341380 has 96 divisors (see below), whose sum is σ = 1382935680. Its totient is φ = 116311680.

The previous prime is 440341379. The next prime is 440341381. The reversal of 440341380 is 83143044.

It is an interprime number because it is at equal distance from previous prime (440341379) and next prime (440341381).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (440341381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53970 + ... + 61590.

It is an arithmetic number, because the mean of its divisors is an integer number (14405580).

Almost surely, 2^440341380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440341380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691467840).

440341380 is an abundant number, since it is smaller than the sum of its proper divisors (942594300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440341380 is a wasteful number, since it uses less digits than its factorization.

440341380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746 (or 7738 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 440341380 is about 20984.3127121190. The cubic root of 440341380 is about 760.7871461372.

The spelling of 440341380 in words is "four hundred forty million, three hundred forty-one thousand, three hundred eighty".